/*
 * Copyright (c) 2006, Benedikt Sauter <sauter@empronix.com>
 * All rights reserved.
 *
 * Short descripton of file:
 *
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright 
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above 
 *     copyright notice, this list of conditions and the following 
 *     disclaimer in the documentation and/or other materials provided 
 *     with the distribution.
 *   * Neither the name of the FH Augsburg nor the names of its 
 *     contributors may be used to endorse or promote products derived 
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


enum signals {PIN_NONE,PIN_IN,PIN_OUT,PIN_TRI,
	      PIN_AD,PIN_RX,PIN_TX,
	      PIN_SS,PIN_SCK,PIN_MISO,PIN_MOSI,
	      PIN_SCL,PIN_SDA};



#define STATUS_LED_PIN     PB7
#define STATUS_LED_PORT    PORTB

#define STATUS_LED_on     (STATUS_LED_PORT   |=  (1 << STATUS_LED_PIN))   // red led
#define STATUS_LED_off    (STATUS_LED_PORT   &= ~(1 << STATUS_LED_PIN))

volatile struct octopus_t {
  unsigned char latency_timer;
  int ports[45];
  char * msg[20];
  volatile int togl;
} octopus;


void CommandAnswer(int length);

unsigned char answer[64];

void common_latency_timer_init(void);

void common_scheduler(void);

void common_scheduler_add(int id,void(*userFunc)(void));

void common_parser(char *buf);

void common_init(void);

void common_hwdesc(void);

